Reply by MikeDildayNoSpam

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Posted on Just started running DC ductwork, any issues here?

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285 posts in 1341 days

#1 posted 03-24-2019 02:05 AM

Running to the ceiling and back down is fine IMO. All of you other drops will come from the ceiling. It is typical, especially in small shops, to run in the ceiling. You don’t have to run it in the corner. You could run it a couple of feet out from the wall and 45 to the wall where you need a drop. Run it straight up over the cyclone can and then along the ceiling. For each drop use a 45 to angle to the wall then a 90 to the drop. This gives the advantage of saving the top wall space and giving you a horizontal to avoid pileups in your drops. Having a horizontal off of the main before the vertical drop is the recommended method. Having the drop go down from the main allows dust and chips to go down the drops.

-- Michael Dilday, Suffolk, Va.

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